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119 lines
1.9 KiB
119 lines
1.9 KiB
package mightypork.rogue.bus.events;
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import mightypork.utils.math.coord.Coord;
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import mightypork.utils.patterns.subscription.Handleable;
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/**
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* Mouse button / wheel event
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*
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* @author MightyPork
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*/
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public class MouseButtonEvent implements Handleable<MouseButtonEvent.Listener> {
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public static final int BUTTON_LEFT = 0;
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public static final int BUTTON_MIDDLE = 1;
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public static final int BUTTON_RIGHT = 2;
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private int button;
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private int wheeld;
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private Coord pos;
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private boolean down;
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/**
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* Mouse button event
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*
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* @param pos event position
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* @param button button id
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* @param down button pressed
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* @param wheeld wheel change
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*/
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public MouseButtonEvent(Coord pos, int button, boolean down, int wheeld) {
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this.button = button;
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this.down = down;
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this.pos = pos;
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this.wheeld = wheeld;
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}
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/**
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* @return true if the event was caused by a button state change
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*/
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public boolean isButtonEvent()
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{
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return button != -1;
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}
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/**
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* @return true if the event was caused by a wheel change
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*/
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public boolean isWheelEvent()
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{
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return wheeld != 0;
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}
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/**
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* @return button id or -1 if none was pressed
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*/
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public int getButton()
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{
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return button;
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}
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/**
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* @return number of steps the wheel changed since last event
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*/
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public int getWheelDelta()
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{
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return wheeld;
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}
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/**
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* @return mouse position when the event occurred
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*/
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public Coord getPos()
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{
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return pos;
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}
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/**
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* @return true if button was just pressed
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*/
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public boolean isDown()
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{
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return button != -1 && down;
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}
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/**
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* @return true if button was just released
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*/
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public boolean isUp()
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{
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return button != -1 && !down;
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}
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@Override
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public void handleBy(Listener handler)
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{
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handler.receive(this);
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}
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public interface Listener {
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/**
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* Handle an event
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*
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* @param event event
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*/
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public void receive(MouseButtonEvent event);
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}
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}
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